The characteristics of the heart as an organ

Their struggle to live depends on a complex and technologically-advanced organ allocation system that links patients with organs donated by strangers.

The characteristics of the heart as an organ

Read now Diagnosis Women with a higher chance of having a child with Down syndrome may receive screening and diagnostic tests. Screening tests can estimate the probability of Down syndrome being present. Some diagnostic tests can definitively tell whether the fetus has the condition.

Screening tests Women aged 30 to 35 years or older may receive genetic screening during pregnancy because the risk of having a child with Down syndrome increases as women age.


At 11 to 14 weeks, an ultrasound can measure the clear space in folds of tissue behind the neck of a developing baby. Triple screen or quadruple screen: At 15 to 18 weeks, this measures the quantities of various substances in the mother's blood.

This combines the results of first-trimester blood tests and screening tests, with or without nuchal translucency, with second-trimester quadruple screening results. A blood test that analyzes fetal DNA found in the maternal blood.

At 18 to 20 weeks, a detailed ultrasound is combined with blood test results. Screening is a cost-effective and less invasive way to determine if more invasive diagnostic tests are needed.

However, unlike diagnostic tests, they cannot confirm whether Down syndrome is present.

The characteristics of the heart as an organ

Diagnostic tests Diagnostic tests are more accurate in detecting Down syndrome and other problems. They are usually performed inside the uterus, and they increase the risk of miscarriage, fetal injury, or preterm labor.

At 8 to 12 weeks, a tiny sample of placenta is obtained for analysis, using a needle inserted into the cervix or the abdomen. At 15 to 20 weeks, a small amount of amniotic fluid is obtained for analysis, using a needle inserted into the abdomen.

Percutaneous umbilical blood sampling: After 20 weeks, a small sample of blood is taken from the umbilical cord for analysis, using a needle inserted into the abdomen. Down syndrome can also be diagnosed after a baby is born by inspecting the infant's physical characteristics as well as blood and tissue.

Tissues and Organs - Fundamentals - Merck Manuals Consumer Version

Treatment There is no specific treatment for Down syndrome. People with the syndrome will receive care for health problems, just as other people do. However, additional health screening for common problems may be recommended.

Early intervention can help the individual maximize their potential and prepare them to take an active role in the community. Apart from physicians, special educators, speech therapists, occupational therapists, physical therapists, and social workers can all help. Children who have specific difficulties with learning and development may be eligible for educational support, either in a mainstream or specialized school.

In recent years, the tendency has increasingly been to attend mainstream schools, often with additional support to help them integrate and progress. Types The most common form of Down syndrome is known as trisomy 21, a condition where individuals have 47 chromosomes in each cell instead of Trisomy 21 is caused by an error in cell division called nondisjunction.

This leaves a sperm or egg cell with an extra copy of chromosome 21 before or at conception. This variant accounts for 95 percent of Down syndrome cases.

The remaining 5 percent of Down syndrome cases are due to conditions called mosaicism and translocation. Mosaic Down syndrome results when some cells in the body are normal while others have Trisomy Robertsonian translocation occurs when part of chromosome 21 breaks off during cell division and attaches to another chromosome, usually chromosome The presence of this extra part of chromosome 21 causes some Down syndrome characteristics.

A person with a translocation does not have any special physical features, but they are more likely to have a child with an extra 21st chromosome. Outlook A person with Down syndrome will be able to do many of the things that other people do.

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Children may take longer to acquire skills such as walking and talking, but with stimulationthey can acquire key life skills and attend school and, in some cases, college. Depending on how the syndrome affects the individual, it is often possible for someone to work and to live semi-independently with Down syndrome.

Like anyone else, people with Down syndrome need friendships and relationships. Some will live with a partner or get married, and have an independent life. However, it is worth bearing in mind that if one partner has Down syndrome, there is a 30 to 50 percent chance that any children will too.

Average life expectancy is around 60 yearsand many people with Down syndrome now live into their 70s.A fact about organs is that you need cells and tissue to make up plombier-nemours.come cells make up tissue and tissue makes up organs and organs make up organ system and an organ system makes up.

Prevention of stroke and systemic embolism in adult patients with nonvalvular atrial fibrillation (NVAF) with one or more risk factors, such as congestive heart failure, hypertension, age ≥ 75 years, diabetes mellitus, prior stroke or transient ischaemic attack (TIA).

The heart is a muscular organ in most animals, which pumps blood through the blood vessels of the circulatory system.

Blood provides the body with oxygen and nutrients, as well as assists in the removal of metabolic wastes. An ion (/ ˈ aɪ ɒ n, -ə n /) is an atom or molecule that has a non-zero net electrical the charge of the electron (considered "negative" by convention) is equal and opposite to that of the proton (considered "positive" by convention), the net charge of an ion is non-zero due to its total number of electrons being unequal to its total number of protons.

CHEST Annual Meeting Abstracts.


Find abstracts of original investigations from slides and posters presented at CHEST , held October , in San Antonio, Texas, featuring essential updates in lung diseases, improving patient care, and trends in morbidity and mortality..

Browse the CHEST Annual Meeting abstracts. A beating heart cadaver is a body that is pronounced dead in all medical and legal definitions, connected to a medical ventilator, and retains cardio-pulmonary functions.

This keeps the organs of the body, including the heart, functioning and alive. [1].

Referred pain - Wikipedia